14.6 Metaloxide (ZnO) Varistors Types VV VDC VDC ± 10 % max. max. (IDC = 1 mA) ^ Wp 1, 3) max. repetitive max. nonrepetitive max. A A ^ ^ PAV Vpmax (Î p 1) = ...) w max. Tamb ≤ 70 °C (10 A) J W V V V g (100 A) (1000 A) V V SKVA 14 A 42 42 56 68 150 4500 24,6 0,6 110 130 215 3 SKVA 14 A 60 60 85 100 150 4500 30,1 0,6 160 185 280 3 SKVA 20 B 130 140 180 220 190 6500 79,3 1,0 350 395 525 6 SKVA 14 A 150 150 200 270 150 4500 58,5 0,6 380 440 570 3 SKVA 14 A 250 250 325 420 150 4500 103 0,6 670 780 925 3 SKVA 20 B 250 250 325 420 190 6500 146,2 1,0 580 680 830 6 SKVA 20 B 275 280 364 470 190 6500 163 1,0 750 835 1025 6 SKVA 14 A 320 330 429 560 150 4500 137 0,6 800 930 1300 3 SKVA 14 A 420 420 546 710 150 4500 175 0,6 1000 1255 1600 3 SKVA 20 B 420 420 546 710 190 6500 224 1,0 1000 1255 1600 6 SKVA 20 B 460 460 598 780 190 6500 289 1,0 1240 1275 1650 6 SKVA 20 B 550 600 780 1000 190 6500 345 1,0 1590 1760 2100 6 320 390 ± 15 % 190 6500 140 Wire terminals V 1, 2) Îp 1, 3) Îp 4) Plastic package, 1 varistor SKVC 20 A 251 SKVC 20 A 460 250 460 615 750 ± 15 % 0,8 5) 600 650 800 120 1150 1270 1550 120 190 6500 260 0,8 5) Plastic package, 1 varistor + 1 capacitor 0,1 µF SKVC 20 A 460C 460 615 750 ± 15 % 190 6500 260 0,8 5) 1150 1270 1550 130 180 220 ± 15 % 190 6500 70 0,8 5) 310 340 430 145 Plastic package, 3 varistors SKVC 221 140 SKVC 391 250 320 390 ± 15 % 190 6500 130 0,8 5) 590 630 790 145 SKVC 681 420 560 680 ± 15 % 190 6500 155 0,8 5) 1000 1100 1300 145 SKVC 781 460 615 750 ± 15 % 190 6500 170 0,8 5) 1100 1200 1500 145 SKVC 911 550 745 910 ± 15 % 190 6500 210 0,8 5) 1350 1450 1900 145 1) 2) 3) 4) 5) IEC standard current pulse waveform 8 x 20 µs 104 times during lifetime Once during lifetime Epoxy encapsulation carries Underwriter Laboratories flammabitlity classification 94V-0 Tcase ≤ 85 °C. For higher values of PAV see chapter B 4 last page. © by SEMIKRON 0896 0898 B 14 – 121 B 14 – 122 0896 © by SEMIKRON © by SEMIKRON 0896 B 14 – 123